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authorPeter Ujfalusi <peter.ujfalusi@ti.com>2018-06-18 16:22:34 +0300
committerThierry Reding <treding@nvidia.com>2018-07-10 18:59:05 +0300
commit955f60db0f2b87094f64df3d7f608fdac4a6ebb1 (patch)
tree652c5509ac0abde4dd02d18ee3ccf58fea565251 /include/drm
parentae8cf41b6a5e3a0847cf5ef9bf6feb82e75ab5eb (diff)
downloadlinux-955f60db0f2b87094f64df3d7f608fdac4a6ebb1.tar.xz
drm: Add support for extracting sync signal drive edge from videomode
The sync in some panels needs to be driven by different edge of the pixel clock compared to data. This is reflected by the DISPLAY_FLAGS_SYNC_(POS|NEG)EDGE in videmode flags. Add similar similar definitions for bus_flags and convert the sync drive edge via drm_bus_flags_from_videomode(). Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Signed-off-by: Jyri Sarha <jsarha@ti.com> Signed-off-by: Thierry Reding <treding@nvidia.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180618132242.8673-2-tomi.valkeinen@ti.com
Diffstat (limited to 'include/drm')
-rw-r--r--include/drm/drm_connector.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
index ad397dfc042b..a5179eb9e56f 100644
--- a/include/drm/drm_connector.h
+++ b/include/drm/drm_connector.h
@@ -290,6 +290,10 @@ struct drm_display_info {
#define DRM_BUS_FLAG_DATA_MSB_TO_LSB (1<<4)
/* data is transmitted LSB to MSB on the bus */
#define DRM_BUS_FLAG_DATA_LSB_TO_MSB (1<<5)
+/* drive sync on pos. edge */
+#define DRM_BUS_FLAG_SYNC_POSEDGE (1<<6)
+/* drive sync on neg. edge */
+#define DRM_BUS_FLAG_SYNC_NEGEDGE (1<<7)
/**
* @bus_flags: Additional information (like pixel signal polarity) for